Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9BB callsign genealogy
Currently held by MIDDLETON, ROBERT L
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K9BB's current licensee, walking backwards.
- Heacock, John DSCgranted 1997-06-16cancelled 2005-07-26
Successor callsigns
Callsigns held now by people who previously held K9BB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9BB, oldest first.
- MIDDLETON, ROBERT L FL1998-06-09 → cancelled 2003-05-05
- Heacock, John D TX2025-08-19 active